Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.260027E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T06:36:21+0800
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    1 Object 1

    AOE ID 53844
    NORAD ID 53844
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 58104
    NORAD ID 58104
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4745 STARLINK-30617
    Time of Closest Approach 2026-10-21T03:13:42+0000
    Collision Probability (Pc) 1.260027E-6
    Conjunction Distance (km) 2.87 km
    Relative Speed (km/s) 12.077 km/s
    Conjunction Risk Parameters R (Radial): 2.722 | I (In-track): 0.554 | C (Cross-track): -0.721
    Collision Risk Index (CRI) 0.37
    X Position (km) 6659.527 6662.09
    Position Y (km) 646.917 648.08
    Position Z (km) 1406.233 1406.788
    Velocity X (km/s) -1.697 0.792
    Velocity Y (km/s) 4.535 4.777
    Velocity Z (km/s) 5.908 -5.907

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4745 STARLINK-30617
    Semimajor Axis (a) 6837.862 km 6840.877 km
    Eccentricity (e) 0.000136 0.000185
    Inclination (i) 53.1625° 53.1604°
    RAAN 0.7636° 199.3299°
    Perigee Argument 100.4158° 86.9169°
    Mean Anomaly (M) 259.6998° 273.2045°
    Apogee 460.653 km 464.004 km
    Perigee 458.797 km 461.476 km
    Orbit Epoch 2026-10-20T05:17:34+0000 2026-10-20T03:03:49+0000

    STARLINK-4745 & STARLINK-30617 Collision Probability (Pc) Trend

    STARLINK-4745 & STARLINK-30617 Collision Probability (Pc) TrendNot Available

    STARLINK-4745 & STARLINK-30617 Miss Distance (Miss Distance) Trend

    STARLINK-4745 & STARLINK-30617 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4745Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30617Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4745Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30617Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4745

    No nearby objects data